Penetration Tests in a Particulate Calibration Chamber

by An-Bin. Huang, Clarkson Univ, Potsdam, NY, USA,
Max Y. Ma, Clarkson Univ, Potsdam, NY, USA,
Jong S. Lee, Clarkson Univ, Potsdam, NY, USA,

Document Type: Proceeding Paper

Part of: Mechanics Computing in 1990's and Beyond


A numerical technique which couples discrete element method with boundary element method has been developed to simulate a two dimensional particulate assembly. Soil particles in the near field where strains are large are simulated as disks using the discrete element method. In the far field and extending to infinity, the soil is considered as a linear elastic continuum and simulated by the boundary element method. The paper describes the numerical techniques and demonstrates results of simulated penetration tests in the assembly. Penetration mechanisms from micromechanical point of view are evaluated.

Subject Headings: Numerical models | Discrete element method | Boundary element method | Penetration tests | Impact tests | Two-dimensional models | Soil stress | Particles

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